1997 Chevrolet Cavalier Spark Plug Gap

1997 CHEVROLET TRUCK
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DUCKMAN_STEVE
  • MEMBER
  • 1 POST
1997 chevy cavalier 2 door 4 cyclinder changed plugs but have no manual for gap info. Motor has 180,000 miles had been running a little rough. millage has gone down to 28 miles per galione. Need help please
Mar 17, 2006 at 8:55 AM
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BURRBRIAN
  • ✓Experienced Mechanic
  • 158 POSTS
Well, all plugs have a gap and ussually they are somewhat close out of the box. Considering the year of your car you're prbably looking at .045-.060 gap.
Your local chevy dealer's parts or service dept. should have no problem telling you if you tell them what motor you have.should be able to take care of this without much problems, hope this helps.
Mar 18, 2006 at 11:56 PM
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Suggested Repair

Set the spark plug gap to about 0.045-0.060 inch, then confirm the exact gap for the specific engine with a Chevrolet dealer parts or service department.

Conversation Summary

A 1997 Chevrolet Cavalier 2-door 4-cylinder owner with 180,000 miles replaced the spark plugs but had no manual for the gap. The engine had been running a little rough and fuel economy had dropped to 28 mpg. The expert said plugs are usually close out of the box, estimated a gap of 0.045-0.060, and recommended confirming the specification with a Chevrolet dealer by identifying the engine.

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